While Elon Musk is often in the news for his futuristic innovations, from electric cars to space travel, his growing family also garners considerable public attention. The billionaire entrepreneur and tech mogul is a father to 14 children, a fact he links to his strong beliefs about population growth and the survival of civilisation. Musk’s children, born to four different women, have names as unconventional as his views, and their stories paint a picture of a complicated, headline-making family tree.Here’s a breakdown of Elon Musk’s children by mother, including key details about their births, names, and Musk’s unique approach to fatherhood.
Elon Musk’s children with Justine Wilson
- Elon Musk married Canadian author Justine Wilson in 2000. The couple had six children together, five of whom are living. Their relationship ended in 2008, but they share joint custody.
- Nevada Alexander Musk: Musk’s first child, Nevada, died at 10 weeks old from sudden infant death syndrome (SIDS). The tragedy profoundly affected both parents.
- Griffin Musk: One of the twins born via IVF, Griffin has largely stayed out of the spotlight.
- Vivian Jenna Wilson: Griffin’s twin, Vivian legally changed her name and gender in 2022, choosing to distance herself from her father. She now uses her mother’s surname.
- Kai Musk
- Saxon Musk
- Damian Musk: This set of triplets, also conceived via IVF, has remained relatively private. They occasionally appear at events with Musk but are rarely discussed in the media.
Elon Musk and Grimes’ children
Musk’s relationship with Canadian musician Grimes began in the late 2010s and led to the birth of three children. Their names reflect a fascination with technology, philosophy, and space.
- X Æ A-Xii Musk: Often called “X,” his name includes symbols representing the unknown, AI, and a spy plane. Originally named X Æ A-12, the name was altered slightly to comply with Californian laws.
- Exa Dark Sideræl Musk: Nicknamed “Y,” she was born via surrogate. “Exa” refers to computing power, while “Sideræl” represents cosmic time.
- Techno Mechanicus Musk: Their third child, “Tau,” was kept private until revealed in Walter Isaacson’s biography of Musk. Grimes confirmed his existence publicly but has tried to keep him out of the spotlight.
Musk’s children with Shivon Zilis
Shivon Zilis is an executive at Neuralink, one of Musk’s companies. Their professional relationship reportedly developed into a personal one, resulting in four children.
- Strider Musk
- Azure Musk: Twins born in late 2021, just weeks before Musk’s second child with Grimes. Their names were revealed via court documents in 2022.
- Arcadia Musk: First publicly mentioned by Musk in 2024, her name aligns with his sci-fi naming trend.
- Seldon Lycurgus Musk: Named after the Foundation character Hari Seldon and the Spartan lawmaker Lycurgus, this child was announced on social media by Zilis in 2025. Musk responded with a heart emoji.
Elon Musk and Ashley St. Clair child
In 2024, conservative political commentator Ashley St. Clair revealed she had a child with Musk, triggering media scrutiny and legal proceedings.
- Romulus Musk: Named after the mythical founder of Rome, Romulus is Musk’s most recently confirmed child. A paternity test in early 2025 showed a 99.9999% probability that Musk is the father. The situation escalated into a public legal battle over custody and financial support, with allegations of offers for secrecy and inconsistent support payments.
Musk’s views on family and fertility
Elon Musk’s approach to family and fertility is deeply entwined with his belief that declining birth rates pose a serious threat to civilisation. Through public statements, tweets, and personal actions, he’s positioned himself as a vocal proponent of increasing global population, often framing his growing family as a contribution to humanity’s future. However, the reality behind the headlines reveals a more complicated story. Despite fathering 14 known children with four different women, Musk’s family life has been shaped by emotional distance, public disputes, and legal tensions. From estrangement with his daughter Vivian to ongoing custody battles with singer Grimes, his pro-natalist ideals often clash with the challenges of modern parenting and co-parenting.Musk’s family narrative includes everything from futuristic baby names and surrogacy to private children and media drama, mirroring the unconventional nature of his business ventures. Whether seen as a bold attempt to address underpopulation or a reflection of his personal ambition, Musk’s expanding family continues to attract public fascination. In the end, his legacy may not just be defined by rockets, AI, or electric cars, but also by the complex and growing web of descendants he leaves behind.Also Read: Who is Astronomer CEO Andy Byron’s wife Megan Kerrigan? Everything you need to know about her, their family and kids after viral Coldplay ‘kiss cam’ scandal
